2009-Honorary Professor (Physics of Biomaterials) at the University of Potsdam

2004-Honorary Professor of Physics at Humboldt University Berlin

2003-Director at the Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, Potsdam-Golm, Germany

1998-2003Chair of Metal Physics at the University of Leoben (Austria) and Director of the Erich Schmid Institute of Materials Science of the Austrian Academy of Sciences

1993Scientific advisor to the director of the "Ludwig Boltzmann-Institute of Osteology", Vienna (Austria)

1993-1994Visiting Research Fellow at the Heriot-Watt University in Edinburgh (UK)

1986-1998Assistant and Associate Professor at the Institute for Materials Physics of the University of Vienna (Austria)

1981-1985Researcher at the Austrian Academy of Sciences, Vienna and at "Laboratoire Leon Brillouin" in Saclay (France); Visiting Research Fellow at Hahn-Meitner-Institute in Berlin and at New York University